Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is another subzero cold winter month in Yankton, South Dakota, with an average temperature varying between 26.8°F (-2.9°C) and 12.9°F (-10.6°C). January is the coldest month, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 12.9°F (-10.6°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Yankton, South Dakota, with temperature in the range of an average high of 30.6°F (-0.8°C) and an average low of 16.3°F (-8.7°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 30.6°F (-0.8°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Yankton, South Dakota, with an average temperature fluctuating between 46.9°F (8.3°C) and 30.2°F (-1°C). In Yankton, the average high-temperature in March significantly increases from a freezing cold 30.6°F (-0.8°C) in February to a frosty 46.9°F (8.3°C). Weather in March »
Weather in April
April is a moderate spring month in Yankton, South Dakota, with an average temperature fluctuating between 57.9°F (14.4°C) and 40.1°F (4.5°C). In April, the average high-temperature rises from a chilly 46.9°F (8.3°C) in March to a mild 57.9°F (14.4°C). Weather in April »
Weather in May
May, the last month of the spring in Yankton, is an agreeable month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 50.9°F (10.5°C). In Yankton, the average high-temperature in May rises from a mild 57.9°F (14.4°C) in April to an agreeable 69.1°F (20.6°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Yankton, South Dakota, with an average temperature fluctuating between 79.7°F (26.5°C) and 61.7°F (16.5°C). In Yankton, the average high-temperature in June rises from a pleasant 69.1°F (20.6°C) in May to a moderately hot 79.7°F (26.5°C). Weather in June »
Weather in July
July, like June, in Yankton, South Dakota, is a moderately hot summer month, with an average temperature fluctuating between 84.9°F (29.4°C) and 64.9°F (18.3°C). July is the warmest month, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 64.9°F (18.3°C). In July, the average heat index is appraised at a hot 93.2°F (34°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Yankton, South Dakota, with an average temperature ranging between min 61.3°F (16.3°C) and max 83.3°F (28.5°C). In August, the average high-temperature is almost the same as in July - a still warm 83.3°F (28.5°C). Weather in August »
Weather in September
September, the first month of the autumn in Yankton, is also a moderately hot month, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 55°F (12.8°C). In September, the average high-temperature slightly decreases from a moderately hot 83.3°F (28.5°C) in August to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Yankton, South Dakota, with an average temperature ranging between max 59.4°F (15.2°C) and min 42.6°F (5.9°C). In Yankton, the average high-temperature in October declines considerably from a moderately hot 76.1°F (24.5°C) in September to a moderate 59.4°F (15.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Yankton, is also a frosty month, with an average temperature varying between 30.7°F (-0.7°C) and 45.9°F (7.7°C). In Yankton, the average high-temperature in November drops from a mild 59.4°F (15.2°C) in October to a chilly 45.9°F (7.7°C). Weather in November »
Weather in December
December, the first month of the winter in Yankton, is also a subzero cold month, with an average temperature fluctuating between 29.8°F (-1.2°C) and 18°F (-7.8°C). In Yankton, the average high-temperature in December declines considerably from a frosty 45.9°F (7.7°C) in November to a freezing cold 29.8°F (-1.2°C). Weather in December »
[Resources]FAQ
What is the coldest month in Yankton?
January is the coldest month in Yankton, South Dakota, with an average high-temperature of 26.8°F (-2.9°C) and an average low-temperature of 12.9°F (-10.6°C).
What is the most humid month in Yankton?
With an average relative humidity of 85%, January is the most humid month in Yankton.
How many days does it rain in Yankton?
In Yankton, South Dakota, during the entire year, the rain falls for 117.9 days and collects up to 21.93" (557mm) of precipitation.
When does it snow in Yankton?
January through May, October through December are months with snowfall in Yankton, South Dakota.
How much does it snow in Yankton?
Throughout the year, there are 37.4 snowfall days, and 14.45" (367mm) of snow is accumulated.
What is the month with the least sunshine in Yankton?
January has the least sunshine of the year, with an average of 4.4h of sunshine.
When is the lowest UV index in Yankton?
With an average maximum UV index of 1, January is the month with the lowest UV index in Yankton, South Dakota.
What is the driest month in Yankton?
February is the month with the least rainfall in Yankton, South Dakota. Rain falls for 2.3 days and accumulates 0.59" (15mm) of precipitation.
When is Daylight Saving Time (DST) in Yankton?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Yankton?
The month with the most rainfall in Yankton is May, when the rain falls for 16.9 days and typically aggregates up to 3.78" (96mm) of precipitation.
When it does not snow in Yankton?
In Yankton, snow does not fall in June through September.
When are the longest days in Yankton?
With an average of 15h and 17min of daylight, June has the longest days of the year in Yankton.
When is the highest UV index in Yankton?
The months with the highest UV index in Yankton are June through August, with an average maximum UV index of 6.
What is the warmest month in Yankton?
The warmest month is July, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 64.9°F (18.3°C).
What month has the most sunshine in Yankton?
July has the most sunshine of the year, with an average of 10.8h of sunshine.
What is the least humid month in Yankton?
With an average relative humidity of 64%, October is the least humid month in Yankton, South Dakota.
What is the snowiest month in Yankton?
December is the month with the most snowfall. Snow falls for 8.1 days and accumulates 2.95" (75mm) of snow.
What is the month with the shortest days in Yankton?
With an average of 9h and 5min of daylight, December has the shortest days of the year.
Average temperature
Yankton, SD
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure
Yankton, SD
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Yankton, SD
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.6mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.8mph
- Average wind speed in July:
7.9mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.2mph - Average wind speed in October:
10.3mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity
Yankton, SD
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).
Average rainfall
Yankton, SD
- Average rainfall in January:
0.67" - Average rainfall in February:
0.59" - Average rainfall in March:
1.34" - Average rainfall in April:
2.4" - Average rainfall in May:
3.78" - Average rainfall in June:
3.31"
- Average rainfall in July:
2.24" - Average rainfall in August:
2.24" - Average rainfall in September:
1.81" - Average rainfall in October:
1.73" - Average rainfall in November:
0.63" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days
Yankton, SD
- Average rainfall days in January:
3.4 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
16.9 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
14.2 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.3 days - Average rainfall days in November:
4.7 days - Average rainfall days in December:
3.7 days
The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Yankton, SD
- Average snowfall in January:
2.6" - Average snowfall in February:
2.52" - Average snowfall in March:
2.09" - Average snowfall in April:
2.13" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Yankton, SD
- Average snowfall days in January:
9.7 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
2.4 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.8 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
8.1 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Yankton, SD
- Average daylight in January:
9h and 27min - Average daylight in February:
10h and 34min - Average daylight in March:
11h and 58min - Average daylight in April:
13h and 26min - Average daylight in May:
14h and 40min - Average daylight in June:
15h and 17min
- Average daylight in July:
14h and 58min - Average daylight in August:
13h and 53min - Average daylight in September:
12h and 29min - Average daylight in October:
11h and 2min - Average daylight in November:
9h and 45min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).
- Average sunshine in January:
4h and 24min - Average sunshine in February:
5h and 24min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 48min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 54min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Yankton, SD
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
19.5 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
21.3 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).
Average UV index
Yankton, SD
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Yankton, SD
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility
Yankton, SD
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
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